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Buscou-se ainda verificar se esta variável pode ser utilizada como indicador consistente de sustentabilidade, de modo a oferecer uma contribuição direta aos estudos nesta área. A avaliação do estoque de carbono imobilizado é importante não apenas porque a cultura do coqueiro irrigado em Sousa/PB é relevante do ponto de vista socioeconômico, mas também por essa cultura ser a opção preferencial de cultivo e apresentar uma tendência à expansão na região. Para obtenção das amostras foram previamente selecionadas três planas representativas da população, as quais foram derrubadas e em seguida determinadas as biomassas frescas totais das diversas partes aéreas e retirados às respectivas amostras para determinar a biomassa seca. Na sequência aplicando-se o fator de conversão 0,48 para palmeiras encontrou-se o teor de carbono imobilizado total de cada árvore e de seus diversos compartimentos. Em seguida, por estimativa, determinou-se a biomassa fresca e seca total e o teor de carbono imobilizado do ecossistema em estudo. Dos resultados conclui-se que o estipe e as folhas verdes concentram a maior quantidade de carbono imobilizado da planta. O cultivo do coqueiro anão verde irrigado constitui-se em um importante mecanismo de imobilizar carbono, propiciando o estoque de 22.648 kg de carbono por hectare, na biomassa aérea.</span><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true" DefSemiHidden="true" DefQFormat="false" DefPriority="99" LatentStyleCount="267"> <w:LsdException Locked="false" Priority="0" SemiHidden="false" UnhideWhenUsed="false" QFormat="true" Name="Normal" /> <w:LsdException Locked="false" Priority="9" SemiHidden="false" UnhideWhenUsed="false" QFormat="true" Name="heading 1" /> <w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 2" /> <w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 3" /> <w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 4" /> <w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 5" /> <w:LsdException Locked="false" Priority="9" QFormat="true" Name="heading 6" /> 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